Engine-CodesChrysler – P1189 Chrysler

P1189 Chrysler Code - Throttle Inlet Pressure Sensor Low

Quick Answer

The P1189 Chrysler code indicates a problem with the Throttle Inlet Pressure Sensor, specifically that the sensor is reading a lower pressure than expected. Common causes include Faulty Throttle Inlet Pressure Sensor, Wiring issues or electrical connection problems, Vacuum leaks in the intake system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1189 Chrysler indicates Throttle Inlet Pressure Sensor Low.
Common causes
Common causes include Faulty Throttle Inlet Pressure Sensor, Wiring issues or electrical connection problems, Vacuum leaks in the intake system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1189 Chrysler Description

The P1189 Chrysler code indicates a problem with the Throttle Inlet Pressure Sensor, specifically that the sensor is reading a lower pressure than expected. The Throttle Inlet Pressure Sensor is a crucial component of the vehicle's engine management system, responsible for measuring the pressure of the air entering the throttle body. This information is used by the engine control module (ECM) to adjust the air-fuel mixture for optimal performance and efficiency.

OBDII Code P1189 Chrysler - Throttle Inlet Pressure Sensor Low
P1189 Chrysler Code - Throttle Inlet Pressure Sensor Low

Common Causes of P1189 Chrysler

  1. Faulty Throttle Inlet Pressure Sensor
  2. Wiring issues or electrical connection problems
  3. Vacuum leaks in the intake system
  4. Clogged air filter
  5. Intake system leaks or damage

Symptoms of P1189 Chrysler

  1. Rough idling
  2. Hesitation or lack of power during acceleration
  3. Poor fuel efficiency
  4. Engine stalling
  5. Check engine light illuminated

How to Fix P1189 Chrysler

  1. Begin by using a diagnostic scanner to retrieve the trouble codes and confirm that P1189 is the only code present.
  2. Inspect the Throttle Inlet Pressure Sensor and its wiring for any visible damage or signs of wear.
  3. Check for vacuum leaks in the intake system and repair as necessary.
  4. Replace the Throttle Inlet Pressure Sensor if it is found to be faulty.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1189 Chrysler

The cost of repairing a Throttle Inlet Pressure Sensor low code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing the sensor and addressing any related issues such as wiring or vacuum leaks can cost anywhere from $150 to $400. It's important to keep in mind that diagnostic time and labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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